SoCacheElement.h

#ifndef COIN_SOCACHEELEMENT_H
#define COIN_SOCACHEELEMENT_H

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#include <Inventor/elements/SoSubElement.h>

class SoCache;

class COIN_DLL_API SoCacheElement : public SoElement {
  typedef SoElement inherited;

  SO_ELEMENT_HEADER(SoCacheElement);
public:
  static void initClass(void);
protected:
  virtual ~SoCacheElement();

public:
  virtual void init(SoState * state);

  virtual void push(SoState * state);
  virtual void pop(SoState * state, const SoElement * prevTopElement);

  static void set(SoState * const state, SoCache * const cache);
  SoCache * getCache(void) const;
  static SbBool anyOpen(SoState * const state);
  static void invalidate(SoState * const state);
  virtual SbBool matches(const SoElement * element) const;
  virtual SoElement * copyMatchInfo(void) const;
  SoCacheElement * getNextCacheElement(void) const;

  static void addElement(SoState * const state,
                         const SoElement * const element);
  static void addCacheDependency(SoState * const state, SoCache * const cache);
  static SbBool setInvalid(const SbBool newvalue);
  static SoCache * getCurrentCache(SoState * const state);

private:
  SoCache * cache;
  static SbBool invalidated;
};

#endif // !COIN_SOCACHEELEMENT_H